What does the lever on a lawn mower do?

A lever, or auger, attached to the handle is a common type of deadman control on walk-behind consumer lawn mowers. The lever must be held down in order to start the mower and to keep it running. The lever is spring-loaded, returning it to its “off” position when pressure is released.

What are the 2 levers on a lawn mower?

The engine powers up the mower and the blade begins to rotate. The operator pulls on the drive control lever-typically the lower lever on the handle – to engage the drive wheel and propel the mower forward. The blades spin underneath the deck at a high speed causing them to cut the grass.

What does the handle do on a lawn mower?

All lawn mowers require you to press and hold down some sort of lever near the hand grips in order to start and run the engine. This is called the blade control handle or brake bail arm. The moment you let go of it, the engine will shut off and the blade will stop spinning.

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What is the lever on the back of a riding lawn mower?

A bypass lever is located on the back of the frame, pull out on the lever to move the mower and push it back in before mowing.

When should I use choke on my lawn mower?

A lawn mower choke reduces the airflow of the engine, allowing for more fuel to be used. This process allows the engine to spark and ignite easier, starting up in an instant. Choke valves should only be used when absolutely necessary, as they can damage the engine if they’re overused.

What does OPC stand for on a mower?

Every petrol lawn mower will have a an OPC. OPC stands for Operator Presence Control and if you let it go the engine will stop.

How does the self propelled work on a lawn mower?

They work by engaging a speed control lever (sometimes part of the handle; sometimes a separate bar or shifter) that causes the mower to move forward. The operator doesn’t have to push the mower, he or she simply walks behind it, guiding it around the yard. Self-propelled mowers can be front-, rear- or all-wheel drive.

How do I raise the handle on my lawn mower?

Locate the lever handles between each wheel and the mower deck. Pull up on one lever handle, and push the handle toward the wheel. Move the handle up or down to adjust the height of the deck. Release the handle until it locks into a notch on the dial between the deck and wheel.

Can self propelled mowers be pushed?

You can push a self-propelled lawnmower, it won’t damage the transmission in any way. However, it may be difficult to do so, self propelled mowers are a little heavier than a regular push mower. … Pushing a self-propelled mower is tough work, especially on a hot day.

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What is the bypass rod on a John Deere riding mower?

On the D140 and other “Automatic Models”, Deere calls this the “Bypass Valve Lever”, which is the small metal rod which stick out of the back of the tractor and has a 90 degree bend on the end of it. It is referred to on page 22 of the Operators manual and other places in the same manual.

What controls the speed of a lawn mower?

When finished cutting grass, pull the throttle control all the way back to the idle position, and turn off the lawn mower. In almost every cutting grass job, you will be running your lawn mower at full speed, so the throttle control slider will be pushed all the way forward.

Should the choke be up or down?

We would say that the “choke” is on or closed. This restriction of air flow reduces the amount of air available for combustion which means that the air fuel mixture is very rich. … The “choke” is off when the choke lever is down or when the choke lever is facing you if your choke is a handle bar mount.

What happens if you leave choke on lawn mower?

If the engine is successfully started, leaving it at full choke for only a few seconds can cause too much fuel to enter into the combustion chamber. This will then cause the the engine to lock up and stall. … A stuck choke can also prevent you from closing it fully to allow the engine to start properly.

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What is the choke position on a lawn mower?

Pull the Throttle onto Choke Position

You’ll normally find it on the left side of your riding lawn mower. They’re easy to identify, thanks to their labeling picture of a rabbit and turtle.